56 results
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
impractical to test ... diarrhea before testing ... pick specific tests ... to sort out the ... much smaller differential
Tuberculous Pleural Effusions - Tests and Biomarkers
Age + fever + red blood cells + ADA -
Pleural Effusions - Tests ... and Biomarkers Age ... amplification test ... #Tuberculosis #Laboratory ... #Testing #diagnosis
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Helicobacter Pylori Testing ... Urea breath test ... first line test ... flag symptoms: age ... #Laboratory #Diagnosis
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Laboratory Diagnosis ... the preferred test ... testing of skin ... the workup • Test ... Most patients are
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
antibodies, which are ... - CCP antibody testing ... more time for the laboratory ... titer, ACE level ... Rheumatoid #Arthritis #laboratory
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
hydrogen breath test ... A/P, Consider testing ... Abdominal imaging (CT, ultrasound ... celiac and/or testing ... Workup #diagnosis #differential
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... and Screening Testing ... disease - Renal ultrasound ... Duplex Doppler ultrasound ... #Hypertension #Differential
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
liver function tests ... diagnostic uncertainty are ... decision for repeat testing ... mellitus; USS, ultrasound ... Liver #Enzymes #Differential
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... autoantibodies are ... ACTH and cortisol are ... Insufficiency #Evaluation #laboratory ... #diagnosis #testing
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
• mouthwash, short-chain ... naproxen and modern tests ... hemp products are ... DrugScreening #UDS #Testing ... #Laboratory #diagnosis